KR20090050215A - Housing for ball sensor - Google Patents

Housing for ball sensor Download PDF

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Publication number
KR20090050215A
KR20090050215A KR1020070116524A KR20070116524A KR20090050215A KR 20090050215 A KR20090050215 A KR 20090050215A KR 1020070116524 A KR1020070116524 A KR 1020070116524A KR 20070116524 A KR20070116524 A KR 20070116524A KR 20090050215 A KR20090050215 A KR 20090050215A
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KR
South Korea
Prior art keywords
housing
housing member
transmission line
sensor housing
ball sensor
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Application number
KR1020070116524A
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Korean (ko)
Inventor
명희철
박창선
이병호
이진
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현대중공업 주식회사
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Priority to KR1020070116524A priority Critical patent/KR20090050215A/en
Publication of KR20090050215A publication Critical patent/KR20090050215A/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation

Abstract

본 발명의 볼센서 하우징은 내부에 송전선로의 상태를 감지하는 센서 및 장치가 설치되며, 송전선로의 선로를 감싸도록 일측이 힌지 결합되는 제 1하우징부재 및 제 2하우징부재를 갖는 센서하우징; 및 센서하우징의 타측에 형성되며, 제 1하우징부재와 제 2하우징부재를 결합 해제시키는 체결부를 포함한다.The ball sensor housing of the present invention is provided with a sensor and a device for detecting the state of the transmission line therein, a sensor housing having a first housing member and a second housing member hinged to one side to surround the line of the transmission line; And a fastening part formed at the other side of the sensor housing and disengaging the first housing member and the second housing member.

송전선로, 센서하우징 Transmission line, sensor housing

Description

볼센서 하우징 {Housing for Ball Sensor}Ball Sensor Housing {Housing for Ball Sensor}

본 발명은 송전선로에 장착되는 볼센서 하우징에 관한 것으로서, 보다 상세하게는 센서 및 장치를 송전선로의 선로 상에 설치 시 설치를 쉽고, 간편하게 하는 볼센서 하우징에 관한 것이다.The present invention relates to a ball sensor housing mounted on a transmission line, and more particularly, to a ball sensor housing that is easy and simple to install when the sensor and the device is installed on the line of the transmission line.

일반적으로 볼센서 하우징은 내부에 센서 및 장치를 수용한다, 여기서 센서 및 장치는 송전선로의 상태를 지속적으로 감지하며, 태풍이나 지진의 자연재해에 의하여 송전설비에 문제를 발생시킬 경우를 대비하여 실시간으로 송전선로의 상황을 파악하고, 송전설비를 포함하는 전력계통 설비에 대한 감시를 수행한다. 그리고 감지된 신호를 통제실로 전송하여 긴급한 상황에 대처할 수 있게 한다.In general, the ball sensor housing accommodates sensors and devices therein, where the sensors and devices continuously detect the condition of the transmission line and provide real-time protection in case of problems with the transmission facilities due to natural disasters such as typhoons or earthquakes. In addition, the situation of transmission line is identified, and monitoring of power system facilities including power transmission facilities is performed. The detected signal is then sent to the control room to cope with an emergency situation.

따라서 이러한 센서 및 장치를 송전선로 상에 설치시키기 위해 센서하우징을 필요로 한다.Therefore, the sensor housing is required to install such sensors and devices on the transmission line.

도 1에 도시된 바와 같이 볼센서 하우징(10)은 반구 형태의 제 1하우징(12) 및 제 2하우징(14)과, 제 1하우징(12)과 제 2하우징(14)의 일측과 타측의 외주면에 연장되게 연결되는 플랜지부(16)와, 제 1하우징(12)의 플랜지(16)와 제 2하우징(14)의 플랜지(16)를 관통하여 결합시키는 볼트(18)와, 송전선로의 선로(1)를 감 싸도록 접촉되는 설치홀더(11)를 포함한다.As shown in FIG. 1, the ball sensor housing 10 may have a hemispherical shape of the first housing 12 and the second housing 14, and one side and the other side of the first housing 12 and the second housing 14. A flange portion 16 connected to the outer circumferential surface, a bolt 18 coupled through the flange 16 of the first housing 12 and the flange 16 of the second housing 14, and a transmission line It includes an installation holder 11 which is in contact to surround the line (1).

이러한 볼센서 하우징(10)은 제 1하우징(12)과 제 2하우징(14)의 일체가 완전히 분리되는 구성을 갖게 되어, 송전선로의 선로(1)에 설치 시 제 1하우징(12)과 제 2하우징(14)의 양측면에 연결된 플랜지(16)를 볼트(18)로 조여 결합시켰다.The ball sensor housing 10 has a configuration in which the first housing 12 and the second housing 14 are completely separated from each other, so that the first housing 12 and the first housing 12 are installed when the ball sensor housing 10 is installed on the line 1 of the power transmission line. The flanges 16 connected to both sides of the two housings 14 were tightened by bolts 18 to be engaged.

그러나 이런 종래의 볼센서 하우징은 제 1하우징과, 제 2하우징이 완전히 분리되어 있기 때문에 제 1하우징과 제 2하우징을 작업자가 선로 상에 고정을 시킨 후 작업해야 함으로 작업이 간편하지 못하고, 작업 시 한명의 작업자는 선로 상에 제 1하우징과, 제 2하우징을 직접 고정시키고, 다른 작업자는 설치를 해야 함으로 작업이 어려운 문제점이 있었다.However, since the first housing and the second housing are completely separated from each other, the conventional ball sensor housing is not easy to work because the worker must fix the first housing and the second housing on the track. One worker fixed the first housing and the second housing directly on the track, the other worker had to be difficult to work because it needs to be installed.

본 발명은 상기와 같은 문제를 해결하기 위해 창출된 것으로서, 볼센서 하우징의 일측에 힌지를 구비하고, 타측에 체결부를 구비함으로써, 제 1하우징부재와 제 2하우징부재가 완전하게 분리되는 것을 방지하여 한명의 작업자가 송전선로의 선로 상에 센서 및 장치를 쉽고, 간편하게 설치할 수 있는 볼센서 하우징을 제공한다.The present invention was created to solve the above problems, by having a hinge on one side of the ball sensor housing, and a fastening portion on the other side, thereby preventing the first housing member and the second housing member from being completely separated. Provides a ball sensor housing that allows one worker to easily and easily install sensors and devices on the line of a transmission line.

본 발명은 내부에 송전선로의 상태를 감지하는 센서 및 장치가 설치되며, 상기 송전선로의 선로를 감싸도록 일측이 힌지 결합되는 제 1하우징부재 및 제 2하우징부재를 갖는 센서하우징; 및 상기 센서하우징의 타측에 형성되며, 상기 제 1하우징부재와 상기 제 2하우징부재를 결합 및 결합 해제시키는 체결부를 포함하는 것이 바람직하다.The present invention provides a sensor housing and a device for detecting a state of a transmission line therein, the sensor housing having a first housing member and a second housing member hinged to one side to surround the line of the transmission line; And a fastening part formed at the other side of the sensor housing and engaging and releasing the first housing member and the second housing member.

여기서 상기 볼센서 하우징은, 상기 송전선로와 접하는 면에 절연체로 형성되며, 상기 절연체와 상기 센서하우징 사이에 결합되는 압착부재를 갖는 선로홀더를 포함하는 것이 바람직하다.The ball sensor housing is preferably formed of an insulator on a surface in contact with the power transmission line, and comprises a line holder having a crimping member coupled between the insulator and the sensor housing.

또한 상기 압착부재는, 상기 볼센서 하우징으로 공기를 유입시키는 통풍구를 더 포함하는 것이 바람직하다.In addition, the pressing member preferably further includes a vent for introducing air into the ball sensor housing.

그리고 상기 체결부는, 상기 제 1하우징부재와 상기 제 2하우징부재 결합 시 대응되는 평행면을 기준으로 볼트를 일정각도로 경사지게 체결되는 것이 바람직하 다.The fastening part may be fastened to the bolt at an angle with respect to the parallel plane corresponding to the first housing member and the second housing member.

이때 상기 힌지에는, 상기 송전선로 상에 설치되었을 때 외부로부터 유입되는 이물질을 막기 위해 밀폐하는 패킹을 더 포함하는 것이 바람직하다.At this time, it is preferable that the hinge further comprises a packing for sealing in order to prevent foreign substances flowing from the outside when installed on the transmission line.

상기와 같이 본 발명의 볼센서 하우징은 힌지와 체결부를 구비하여 한명의 작업자가 송전선로 상에 볼센서를 쉽고, 간편하게 설치 할 수 있게 됨으로써, 볼센서 하우징의 설치 및 설치 해제에 소유되는 작업 시간을 줄일 수 있는 효과를 제공한다.As described above, the ball sensor housing of the present invention is provided with a hinge and a fastening portion so that a single worker can easily and easily install the ball sensor on a power transmission line, thereby reducing work time owned by the installation and removal of the ball sensor housing. It can be effective.

이하 첨부된 도면을 참조하여 본 발명에 따른 볼센서 하우징의 실시예를 설명한다.Hereinafter, an embodiment of a ball sensor housing according to the present invention will be described with reference to the accompanying drawings.

도 2는 본 발명에 따른 볼센서 하우징을 도시한 사시도이고, 도 3은 도 2에 도시된 실시예를 도시한 단면도이고, 도 4는 도 2에 도시된 실시예의 선로홀더를 도시한 사시도이다.2 is a perspective view showing a ball sensor housing according to the present invention, Figure 3 is a sectional view showing the embodiment shown in Figure 2, Figure 4 is a perspective view showing the track holder of the embodiment shown in FIG.

도 2 내지 도 3에 도시된 바와 같이 본 실시예(100)는 송전선로의 선로(1)에 장착되며, 송전선로의 상태를 감지하는 센서 및 장치가 내부에 설치되는 반구 형태의 제 1하우징부재(112) 및 제 2하우징부재(114)을 갖는 센서하우징(110)과, 제 1하우징부재(112) 및 제 2하우징부재(114)의 일측에 형성되는 힌지(120)와, 제 1하우징부재(112) 및 제 2하우징부재(114)의 타측에 형성되는 체결부(130)와, 제 1하우징부재(112) 및 제 2하우징부재(114) 상에 형성되며, 송전선로와 접촉되는 선로 홀더(140)를 포함한다.2 to 3, the present embodiment 100 is mounted on the line 1 of a transmission line, and has a hemispherical first housing member in which a sensor and a device for detecting a state of the transmission line are installed therein. A sensor housing 110 having a 112 and a second housing member 114, a hinge 120 formed at one side of the first housing member 112 and the second housing member 114, and a first housing member. Line holders 112 formed on the other side of the 112 and the second housing member 114, the first housing member 112 and the second housing member 114, the line holder in contact with the power transmission line 140.

제 1하우징부재(112) 및 제 2하우징부재(114)는 반구 형태이며, 이러한 반구 형태의 제 1하우징부재(112)와 제 2하우징부재(114)는 송전선로의 선로를 감싸도록 결합될 때 구형상이 된다.The first housing member 112 and the second housing member 114 are hemispherical in shape, and when the first housing member 112 and the second housing member 114 in the hemispherical shape are coupled to surround the line of the transmission line, It becomes spherical.

이러한 제 1하우징부재(112) 및 제 2하우징부재(114)의 내부에는 송전선로의 상태를 감시하는 센서 및 장치가 설치된다.In the first housing member 112 and the second housing member 114, a sensor and an apparatus for monitoring the state of the power transmission line are installed.

힌지(120)는 제 1하우징부재(112) 및 제 2하우징부재(114)의 일측에 형성되며, 제 1하우징부재(112)와 제 2하우징부재(114)의 일측을 기준으로 회전되게 한다.The hinge 120 is formed at one side of the first housing member 112 and the second housing member 114, and rotates based on one side of the first housing member 112 and the second housing member 114.

이렇게 제 1하우징부재(112) 및 제 2하우징부재(114) 상에 힌지(120)를 형성함으로써, 제 1하우징부재(112)와 제 2하우징부재(114)가 완전하게 분리되는 것을 방지할 수 있으며, 타측 부분만 결합시키기 때문에 선로 상에 설치 시 설치를 간편하게 한다.Thus, by forming the hinge 120 on the first housing member 112 and the second housing member 114, it is possible to prevent the first housing member 112 and the second housing member 114 from being completely separated. It is easy to install when installing on the track because it combines only the other part.

또한 이러한 힌지(120)에는 틈으로 이물질이 유입되는 것을 방지하기 위해 패킹(122)이 결합된다.In addition, the packing 120 is coupled to the hinge 120 in order to prevent foreign matter from flowing into the gap.

체결부(130)는 제 1하우징부재(112)와 제 2하우징부재(114)에 결합되는 힌지와 대응되는 위치에 결합되며, 일정각도로 경사지게 형성된 구멍을 갖는 체결부위(134)와 일정각도로 경사지게 체결부위(134)의 구멍을 관통하여 제 1하우징부재(112)와 제 2하우징부재(114)를 결합시키는 볼트(132)를 포함한다.The fastening part 130 is coupled to a position corresponding to the hinge coupled to the first housing member 112 and the second housing member 114, and has a fastening part 134 having a hole formed to be inclined at a predetermined angle with a predetermined angle. It includes a bolt 132 through which the first housing member 112 and the second housing member 114 to be inclined through the hole of the fastening portion 134.

이러한 체결부(130)를 이용하여 선로 상에 본 실시예(100)를 위치시킨 후 제 1하우징부재(112)와 제 2하우징부재(114)를 간편하게 결합시킬 수 있다.After positioning the present embodiment 100 on the track by using the fastening unit 130, the first housing member 112 and the second housing member 114 can be easily coupled.

도 4에 도시된 바와 같이 선로홀더(140)는 송전선로의 선로(1)에 설치 시 선로와 접촉되는 절연체(142)와, 절연체(142)를 감싸도록 결합되는 압착부재(144)를 포함한다.As shown in FIG. 4, the track holder 140 includes an insulator 142 contacting the line when installed on the line 1 of the transmission line, and a crimping member 144 coupled to surround the insulator 142. .

절연체(142)는 플라스틱류, 폴리, 고무, 테이프론 소재 등으로 형성되며, 선로 상으로 누전되는 전기를 차단하여 제 1하우징부재(112)와 제 2하우징부재(114)로 전기가 전도되는 것을 방지함으로써, 센서 및 장치를 보호한다.The insulator 142 is formed of plastics, poly, rubber, or taperon material, and prevents electricity from being shorted on a line to conduct electricity to the first housing member 112 and the second housing member 114. Thereby protecting the sensor and the device.

압착부재(144)는 알루미늄 소재로 형성되고, 제 1하우징부재(112) 및 제 2하우징부재(114)에 결합되며, 송전선로의 선로에 설치 시 절연체(142)를 압착시켜 송전선로에 견고하게 결합되게 한다. 또한 공기의 순환을 위한 통풍구(146)를 형성하고 있다.The crimping member 144 is formed of an aluminum material, and is coupled to the first housing member 112 and the second housing member 114, and when the insulation member is installed on the line of the power transmission line, the crimping member 144 is crimped firmly to the power transmission line. To be combined. In addition, a vent 146 is formed for the circulation of air.

이하 첨부된 도면을 참조하여 본 발명에 따른 볼센서 하우징의 작동관계를 설명한다.With reference to the accompanying drawings will be described the operation relationship of the ball sensor housing according to the present invention.

도 2 내지 도 4에 도시된 바와 같이 본 실시예(100)를 작업자가 송전선로의 선로(1) 상에 설치하기 위해 제 1하우징부재(112)와 제 2하우징부재(114)를 결합하고 있는 체결부(130)의 볼트(132)를 풀어 결합 해제시킨 다음 결합 해제된 일측을 파지하고, 오픈(open)시키면, 타측에 형성된 힌지(120)로 인해 일정 각도 회전되면서 오픈된다.2 to 4, the operator combines the first housing member 112 and the second housing member 114 to install the present embodiment 100 on the track 1 of the transmission line. The bolt 132 of the fastening unit 130 is released to release the coupling, and then the gripped one side is released and opened.

이렇게 결합이 해제된 본 실시예(100)를 송전선로의 선로(1) 상에 위치시킨 후 다시 일정 각도 회전시켜 제 1하우징부재(112)와 제 2하우징부재(114)를 맞닿도록 접촉시킨다.In this way, the present embodiment 100, in which the coupling is released, is positioned on the line 1 of the power transmission line and rotated again by an angle to contact the first housing member 112 and the second housing member 114.

그리고 체결부(130)의 볼트(132)를 체결부위(134)의 구멍에 삽입하여 제 1하우징부재(112)와 제 2하우징부재(114)를 결합시킨다. 이때 볼트(132)는 일정각도 경사진 체결부의(134)를 따라 결합된다.Then, the bolt 132 of the fastening part 130 is inserted into the hole of the fastening part 134 to couple the first housing member 112 and the second housing member 114 to each other. At this time, the bolt 132 is coupled along the fastening portion 134 inclined at an angle.

이렇게 결합된 본 실시예(100)는 볼트의 결합으로 인해 송전선로의 선로(1)에 결합되게 되는데, 이때 압착부재(144)가 절연체(142)를 가압하여 송전선로의 선로(1) 상에 견고하게 결합되도록 하며, 송전선로의 선로(1)에 누전이 되었을 경우 선로홀더(140)의 절연체(142)에서 전기의 전도를 방지하여 센서 및 장치를 보호한다.This embodiment 100 is thus coupled to the line (1) of the transmission line due to the coupling of the bolt, the pressing member 144 presses the insulator 142 on the line (1) of the transmission line It is to be firmly coupled, and when a short circuit to the line (1) of the transmission line to prevent the conduction of electricity in the insulator 142 of the line holder 140 to protect the sensor and the device.

따라서 제 1하우징부재(112)와 제 2하우징부재(114) 내부의 센서 및 장치를 송전선로 상에 안전하게 설치되게 함으로써, 송전선로의 송전 전류, 온도, 풍향, 풍속을 측정하여 송전선로의 상태를 통제실에 전송하여 긴급한 재난에 대한 대책을 수립할 수 있게 한다.Therefore, the sensors and devices inside the first housing member 112 and the second housing member 114 are safely installed on the transmission line, thereby measuring the transmission current, temperature, wind direction, and wind speed of the transmission line to determine the state of the transmission line. Transfer to the control room so that emergency disaster countermeasures can be established.

도 1은 종래의 볼센서 하우징을 설명하기 위해 도시한 정면도이다.1 is a front view illustrating a conventional ball sensor housing.

도 2는 본 발명에 따른 볼센서 하우징의 실시예를 도시한 사시도이다.2 is a perspective view showing an embodiment of a ball sensor housing according to the present invention.

도 3은 도 2에 도시된 실시예를 도시한 단면도이다.3 is a cross-sectional view showing the embodiment shown in FIG.

도 4는 도 2에 도시된 실시예의 선로홀더를 도시한 사시도이다.4 is a perspective view illustrating the track holder of the embodiment shown in FIG.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

100 : 본 실시예 110 : 센서하우징100 Example 110 Sensor Housing

112 : 제 1하우징부재 114 : 제 2하우징부재112: first housing member 114: second housing member

120 : 힌지 130 : 체결부120: hinge 130: fastening portion

140 : 선로홀더140: track holder

Claims (5)

내부에 송전선로의 상태를 감지하는 센서 및 장치가 설치되며, 상기 송전선로의 선로를 감싸도록 일측이 힌지 결합되는 제 1하우징부재 및 제 2하우징부재를 갖는 센서하우징; 및A sensor housing having a sensor and an apparatus for detecting a state of a transmission line therein, the sensor housing having a first housing member and a second housing member hinged to one side to surround the line of the transmission line; And 상기 센서하우징의 타측에 형성되며, 상기 제 1하우징부재와 상기 제 2하우징부재를 결합 및 결합 해제시키는 체결부를 포함하는 것을 특징으로 하는 볼센서 하우징.The ball sensor housing is formed on the other side of the sensor housing, comprising a fastening portion for engaging and disengaging the first housing member and the second housing member. 제 1항에 있어서,The method of claim 1, 상기 볼센서 하우징은,The ball sensor housing, 상기 송전선로와 접하는 면에 절연체로 형성되며, 상기 절연체와 상기 센서하우징 사이에 결합되는 압착부재를 갖는 선로홀더를 포함하는 것을 특징으로 하는 볼센서 하우징.And a line holder formed of an insulator on a surface in contact with the power transmission line and having a crimping member coupled between the insulator and the sensor housing. 제 2항에 있어서, The method of claim 2, 상기 압착부재는,The pressing member, 상기 볼센서 하우징으로 공기를 유입시키는 통풍구를 더 포함하는 것을 특징으로 하는 볼센서 하우징.The ball sensor housing further comprises a vent for introducing air into the ball sensor housing. 제 1항에 있어서,The method of claim 1, 상기 체결부는,The fastening portion, 상기 제 1하우징부재와 상기 제 2하우징부재 결합 시 대응되는 평행면을 기준으로 볼트를 일정각도로 경사지게 체결되는 것을 특징으로 하는 볼센서 하우징.The ball sensor housing, characterized in that the bolt is inclined at a predetermined angle relative to the corresponding parallel plane when the first housing member and the second housing member are coupled. 제 1항에 있어서,The method of claim 1, 상기 힌지에는,In the hinge, 상기 송전선로 상에 설치되었을 때 외부로부터 유입되는 이물질을 막기 위해 밀폐하는 패킹을 더 포함하는 것을 특징으로 하는 볼센서 하우징.When the ball sensor housing is installed on the transmission line further comprises a packing to prevent foreign substances from entering from the outside.
KR1020070116524A 2007-11-15 2007-11-15 Housing for ball sensor KR20090050215A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101015976B1 (en) * 2010-12-07 2011-02-23 쓰리피시스템(주) Urethane clamping used in ball sensor and molding for manufacturing the same
KR101015973B1 (en) * 2010-12-07 2011-02-23 쓰리피시스템(주) Apparatus for clamping the ball sensor
KR101512069B1 (en) * 2013-11-19 2015-04-16 현대중공업 주식회사 Monitoring and diagnosis apparatus of power transmission line

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101015976B1 (en) * 2010-12-07 2011-02-23 쓰리피시스템(주) Urethane clamping used in ball sensor and molding for manufacturing the same
KR101015973B1 (en) * 2010-12-07 2011-02-23 쓰리피시스템(주) Apparatus for clamping the ball sensor
KR101512069B1 (en) * 2013-11-19 2015-04-16 현대중공업 주식회사 Monitoring and diagnosis apparatus of power transmission line

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